# DeepSeek-R1-0528 vs Mistral Medium 3.5 128B

> Side-by-side benchmark comparison for DeepSeek-R1-0528 and Mistral Medium 3.5 128B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/deepseek-r1-0528-vs-mistral-medium-3-5-128b
- Last updated: October 14, 2026

- Shared sourced benchmarks: 1
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: DeepSeek-R1-0528 and Mistral Medium 3.5 128B share only 1 sourced benchmark row.

## Summary

- Only 1 shared sourced benchmark row is available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Mistral Medium 3.5 128B has the larger published context window at 256K.

## Model Snapshot

| Property | DeepSeek-R1-0528 | Mistral Medium 3.5 128B |
|----------|----------|----------|
| Creator | DeepSeek | Mistral |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 128K | 256K |
| Independent public score (not head-to-head) | null | 33.58 |
| Benchmarks Covered | 10 | 7 |
| Pricing (input/output) | N/A | $1.50 / $7.50 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- DeepSeek-R1-0528 public-lane score: Coming soon
- Mistral Medium 3.5 128B public-lane score: 19.2 (Supported · #105/124)

| Benchmark | DeepSeek-R1-0528 | Mistral Medium 3.5 128B | Winner |
|-----------|-----------|-----------|--------|
| τ³-bench results | Coming soon | 91.4% | Coming soon |
| Gert Labs | Coming soon | 39.10% | Coming soon |
| Terminal-Bench 2.1 (Vals) | Coming soon | 39.0% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- DeepSeek-R1-0528 public-lane score: Coming soon
- Mistral Medium 3.5 128B public-lane score: 23 (Estimated · #113/149)

| Benchmark | DeepSeek-R1-0528 | Mistral Medium 3.5 128B | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench | 73.3% | Coming soon | Coming soon |
| Codeforces | 1930.0 | Coming soon | Coming soon |
| SWE-bench Verified | 57.6% | 77.6% | Mistral Medium 3.5 128B |
| SWE-bench (Vals) | Coming soon | 66.4% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- DeepSeek-R1-0528 public-lane score: Coming soon
- Mistral Medium 3.5 128B public-lane score: 73.5 (Unranked · 2 rankable rows)

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- DeepSeek-R1-0528 public-lane score: Coming soon
- Mistral Medium 3.5 128B public-lane score: 60.1 (Unranked · 1 rankable row)

### Knowledge

- Winner: Insufficient shared evidence
- DeepSeek-R1-0528 public-lane score: Coming soon
- Mistral Medium 3.5 128B public-lane score: 31.9 (Supported · #145/181)

| Benchmark | DeepSeek-R1-0528 | Mistral Medium 3.5 128B | Winner |
|-----------|-----------|-----------|--------|
| MMLU-Redux | 93.4% | Coming soon | Coming soon |
| MMLU-Pro | 85% | Coming soon | Coming soon |
| GPQA | 81% | Coming soon | Coming soon |
| SimpleQA | 27.8% | Coming soon | Coming soon |
| HLE | 17.7% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | Coming soon | 34.8% | Coming soon |
| MMLU-Pro (Vals) | Coming soon | 75.3% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- DeepSeek-R1-0528 public-lane score: Coming soon
- Mistral Medium 3.5 128B public-lane score: 84 (#50/128)

### Mathematics

- Winner: Insufficient shared evidence
- DeepSeek-R1-0528 public-lane score: Coming soon
- Mistral Medium 3.5 128B public-lane score: Coming soon

| Benchmark | DeepSeek-R1-0528 | Mistral Medium 3.5 128B | Winner |
|-----------|-----------|-----------|--------|
| AIME 2024 | 91.4% | Coming soon | Coming soon |
| AIME 2025 | 87.5% | Coming soon | Coming soon |

## FAQ

### Is there enough evidence to pick between DeepSeek-R1-0528 and Mistral Medium 3.5 128B?

Not yet. The models share only 1 sourced benchmark row, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [DeepSeek-R1-0528 vs DeepSeek-R1](/compare/deepseek-r1-vs-deepseek-r1-0528)
- [Mistral Medium 3.5 128B vs DeepSeek-R1](/compare/deepseek-r1-vs-mistral-medium-3-5-128b)
- [DeepSeek-R1-0528 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-deepseek-r1-0528)
- [Mistral Medium 3.5 128B vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-mistral-medium-3-5-128b)

## Explore More

- [DeepSeek-R1-0528 profile](/models/deepseek-r1-0528)
- [Mistral Medium 3.5 128B profile](/models/mistral-medium-3-5-128b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)